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Johns Hopkins Bloomberg School of Public HealthCAAT

Johns Hopkins University
Center for Alternatives to Animal Testing

We believe the best science is humane science. Our programs seek to provide a better, safer, more humane future for people and animals. To learn more about CAAT and the 3Rs, visit our About Us page. And consider supporting our mission.


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CAAT News and Upcoming Events

News and upcoming events sponsored by CAAT, CAAT-Europe, and the Transatlantic Think Tank for Toxicology (t4).


EU-ToxRisk Open Symposium
February 23-24, 2021

Contemporary Refinement Research, its Application in Practice, and Future Directions
March 11th, 2021

Video: COVID-19: A Brain Disease?
How Lab-grown "Mini-Brains" Can Be Infected with COVID-19
With CAAT Director Thomas Hartung
From the Euroscience Open Forum 2020

7th Annual 3Rs Symposium: Practical Solutions and Success Stories
Watch Now

Find more videos on our YouTube channel

Pan-American Conference for Alternative Methods
May 2022
Windsor, Ontario


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CAAT and CAAT-Europe promise sound scientific synergy involving experts from both sides of the Atlantic to promote the implementation of human-relevant alternative approaches, the advancement of research, and the dissemination of the 3Rs.

EU-ToxRisk Winter School on Risk Assessment
March 10-11, 2021
1-5pm CET
Online (Zoom)
Information and Registration:

Altertox Academy: 2021 Training Courses

CAAT-Europe is housed at the University of Konstanz, Germany.


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CAATwalk Newsletter

Sign up for our CAATwalk Newsletter for the latest news about our activities! View the latest CAATwalk Newsletter (February 24, 2021)

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